Resolution criteria on PolyGram: This is a market on the KBO baseball game between Kiwoom Heroes and Lotte Giants, scheduled for April 29 at 5:30AM ET. This market will resolve to "Kiwoom Heroes" if the Kiwoom Heroes win the game. This market will resolve to "Lotte Giants" if the Lotte Giants win the game. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50. The primary resolution source will be official information from the KBO. A consensus of credible reporting may also be used.
PolyGram is an on-chain prediction market where you trade YES or NO outcome shares with real USDC on Polygon. For this market, buy YES if you believe the event will happen, or NO if you think it won't. Your maximum loss is your stake — winning shares pay $1.00 each at resolution. Unlike sportsbooks, there is no house edge: prices are set by supply and demand from other traders and reflect the crowd's real-time probability.
Market outcomes
| KBO: Kiwoom Heroes vs. Lotte Giants | 100% YES | 0% NO |
The Korean Baseball Organisation (KBO) will host a regular-season matchup between Kiwoom Heroes and Lotte Giants on 29 April at 5:30 AM ET. The current order book on Polymarket reflects a 100% implied probability for YES, indicating traders are pricing this as a near-certain event to occur as scheduled. This extreme skew typically emerges when market participants assess minimal cancellation or postponement risk, though the settlement window extends to 6 May, allowing for resolution adjustments should weather or operational factors intervene.
KBO games scheduled during late April face relatively low postponement rates compared to early-season fixtures, as spring weather patterns in South Korea stabilise by this period. Historical precedent suggests that when major sporting events in established leagues show such consensus pricing, the underlying assumption centres on standard operational execution rather than exceptional circumstances. The Giants and Heroes have maintained consistent scheduling compliance across recent seasons, with cancellations or ties remaining statistical outliers in the league's fixture calendar.
Traders monitoring this market should track KBO official announcements regarding venue conditions, roster availability, or scheduling changes in the days preceding the fixture. Weather forecasts for the Seoul metropolitan area on 29 April will provide the most material catalyst for probability shifts. Any late-breaking injury reports affecting either team's starting rotation could theoretically influence trading activity, though such developments rarely trigger the kind of repricing that would move a 100% position materially. The settlement mechanism's 50-50 tie provision remains operative, though KBO regulations and extended-play rules make outright ties exceptionally rare.
This market settles from the official outcome published at https://www.koreabaseball.com/. A proposer submits the final result to the UMA optimistic oracle on Polygon; the two-hour dispute window closes and payouts clear in USDC.
The mechanics for trading "KBO: Kiwoom Heroes vs. Lotte Giants" are the same as any other PolyGram sporting event contract. Each YES share resolves to $1 if the event happens, or $0 if it doesn't. The current price between 0¢ and 100¢ is the market's probability estimate, set live by the order book.
$20K in lifetime turnover and $0 of resting liquidity puts this market in the around the median by volume for sports contracts on PolyGram. Order-book depth is thin — large orders may need to be split across the book or executed as limit orders.
The market has been open for under a month — fresh enough that information asymmetry remains a real factor.
Higher-volume markets tend to have tighter spreads and faster price discovery — meaning the displayed YES/NO percentages are more likely to reflect the true crowd-implied probability rather than a single trader's directional view.
As of today, traders on Polymarket price this outcome at 100%. The number updates continuously as the order book clears. PolyGram mirrors the same live odds with locale-aware formatting and USDC settlement.
Resolution is sourced from https://www.koreabaseball.com/. Settlement is executed by the UMA optimistic oracle on Polygon, with a 2-hour dispute window before payouts clear.
This prediction market is scheduled to close on 6 May 2026. After the resolving event occurs, settlement typically clears within 24 hours once the UMA optimistic oracle confirms the outcome. All payouts are in USDC on the Polygon network.
To trade on this prediction market, create a free PolyGram account at polygram.ink, deposit USDC via Polygon, and place a YES or NO order on the outcome you believe in. You can learn more on our how-it-works page. Your maximum loss is limited to your stake — there is no leverage or margin.
When the outcome is determined, winning YES shares pay out $1.00 each in USDC, while losing shares pay $0. Settlement is handled by the UMA optimistic oracle on Polygon — a proposer submits the result, a two-hour dispute window opens, and if uncontested, payouts are distributed automatically. You can withdraw your winnings to any Polygon wallet.
Prediction-market positions can lose 100% of staked capital. Outcomes are uncertain by definition — historical accuracy of crowd-implied probabilities is high in aggregate but not for any single market. PolyGram does not provide investment advice. Trade only with capital you can afford to lose.
Regulatory status varies by jurisdiction. Germany, the United States, and most EU countries treat Polymarket-style event contracts under one of three frameworks: financial derivative, gambling product, or unregulated novel asset. Consult local counsel before trading.
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